/**
 *    Copyright (C) 2009 Victor Smirnov <aist11@gmail.com>
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 3 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License along
 *    with this program; if not, write to the Free Software Foundation, Inc.,
 *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *    See LICENSE.exceptions in the root folder of this project for possible
 *    exceptions
 *
 */

#ifndef _CUBEFS_CORE_API_METADATA_BITMAP_HPP
#define _CUBEFS_CORE_API_METADATA_BITMAP_HPP

#include <cubefs/api/metadata/bitmap.hpp>
#include <cubefs/core/api/metadata/field.hpp>

#define CUBEFS_SOURCE "cubefs/core/api/metadata/bitmap.hpp:" CUBEFS_AT

namespace cubefs { namespace api {

template <typename Interface>
class BitmapFieldImplT: public FieldMetadataImplT<Interface> {
	typedef BitmapFieldImplT<Interface> 	Me;
	typedef FieldMetadataImplT<Interface> 	Base;
public:
	BitmapFieldImplT(Int ptr, Int abi_ptr, const string &name, Int offset, Int count, Byte kCode = FieldMetadata::BITMAP): Base(ptr, abi_ptr, kCode, name, offset, offset + count, 1) {}

	virtual BigInt GetBits(Page* page, int idx, int nbits, bool abi) const {
		if (abi) {
			return Base::GetBitsAbi(page->Ptr(), idx, nbits);
		} else {
			return Base::GetBits(page->Ptr(), idx, nbits);
		}
	}

	virtual void SetBits(Page* page, BigInt bits, int idx, int nbits, bool abi) {
		if (abi) {
			Base::SetBitsAbi(page->Ptr(), bits, idx, nbits);
		} else {
			Base::SetBits(page->Ptr(), bits, idx, nbits);
		}
	}

    static void Init() {
    	AbstractType* type = new AbstractType(TypeNameFactory<Interface>::name(), FieldMetadata::MyType());
    	type_ = type;

    	type->AddOperation(new BasicOperation<BigInt (Me::*)(Page*, Int, Int, bool), BigInt (Me::*)(Page*, Int, Int, bool) const>(type, "GetBits", "page", "idx", "nbits", "abi", &Me::GetBits));
    	type->AddOperation(new BasicOperation<void (Me::*)(Page*, BigInt, Int, Int, bool)>(type, "SetBits", "page", "bits", "idx", "nbits", "abi", &Me::SetBits));
    }

    CUBEFS_DECLARE_REFLECTION;
};


template <typename Interface>
Type* BitmapFieldImplT<Interface>::type_ 					= NULL;

typedef BitmapFieldImplT<BitmapField> 						BitmapFieldImpl;



}}

#undef CUBEFS_SOURCE
#endif
